<template>
    <div>
        <!-- 面包屑导航区域 -->
        <el-breadcrumb separator-class="el-icon-arrow-right">
             <el-breadcrumb-item :to="{ path: '/home' }">首页</el-breadcrumb-item>
            <el-breadcrumb-item>商品管理</el-breadcrumb-item>
            <el-breadcrumb-item>商品列表</el-breadcrumb-item>
        </el-breadcrumb>

        <!-- 卡片视图区 -->
        <el-card>
            <el-row :gutter="20">
                <el-col :span="8">
                    <el-input placeholder="请输入内容" v-model="queryInfo.query" clearable 
                    @clear = "getGoodsList">
                    <el-button slot="append" icon="el-icon-search" @click="getGoodsList"
                    ></el-button>
                </el-input>
                </el-col>
                <el-col :span="4">
                    <el-button type="primary" @click="goAddpage">添加商品</el-button>
                </el-col>
            </el-row>

            <!-- table表格区 -->
            <el-table :data="goodslist" border stripe>
                <el-table-column type="index">
                </el-table-column>
                <el-table-column label="商品名称" prop="goods_name">
                </el-table-column>
                <el-table-column label="商品价格（元）" prop="goods_price" width="95px">
                </el-table-column>
                <el-table-column label="商品重量" prop="goods_weight" width="70px">
                </el-table-column>
                <el-table-column label="商品创建时间" prop="add_time" width="140px">
                    <template slot-scope="scope">
                        {{scope.row.add_time | dateFormat}}
                    </template>
                </el-table-column>
                <el-table-column label="操作" width="130px">
                    <template slot-scope="scope">
                        <el-button type="primary" icon="el-icon-edit" size="mini"></el-button>
                        <el-button type="danger" icon="el-icon-delete" size="mini"
                        @click="removeById(scope.row.goods_id)"></el-button>
                    </template>
                </el-table-column>
            </el-table>

            <!-- 分页选项卡 -->
             <el-pagination
            @size-change="handleSizeChange"
            @current-change="handleCurrentChange"
            :current-page="queryInfo.pagenum"
            :page-sizes="[5, 10, 15, 20]"
            :page-size="queryInfo.pagesize"
            layout="total, sizes, prev, pager, next, jumper"
            :total="total" background>
            </el-pagination>


        </el-card>
    </div>
</template>

<script>
export default{
    data(){
        return {
            // 查询参数对象
            queryInfo:{
                query:'',
                pagenum:1,
                pagesize:10
            },
            // 商品列表
            goodslist:[],
            // 总数量
            total:0
        }
    },
    created(){
        this.getGoodsList()
    },
    methods: {
        // 根据分页获取对应的商品列表
        async getGoodsList(){
            const { data:res } = await this.$http.get(`goods`
            ,{params:this.queryInfo})

            if(res.meta.status!==200){
                return this.$message.error('获取商品列表失败！')
            }

            this.$message.success("获取商品列表成功！")

            console.log(res.data)
            this.goodslist = res.data.goods
            this.total = res.data.total

        },
        handleSizeChange(newSize){
            this.queryInfo.pagesize = newSize
            this.getGoodsList()
        },
        handleCurrentChange(newPage){
            this.queryInfo.pagenum = newPage
            this.getGoodsList()
        },
        async removeById(id){
                const comfirmResult = await 
            this.$confirm('此操作将永久删除该文件, 是否继续?', '提示', {
                    confirmButtonText: '确定',
                    cancelButtonText: '取消',
                    type: 'warning'
                }
            ).catch(err => err)
            if(comfirmResult!=='confirm'){
                return this.$message.info('已经取消删除')
            }

            const {data:res} = await this.$http.delete(`goods/${id}`)
            if(res.meta.status!==200){
                return this.$message.error("删除失败")
            }
            this.$message.success("删除成功！")

            this.getGoodsList()
        },
        goAddpage(){
            this.$router.push(`/goods/add`)
        }
    }
}
</script>

<style lang="less" scoped>
</style>